High Flow Pressure Regulators

Our high-flow pressure regulators are designed to deliver consistent downstream pressure by reducing higher inlet pressures even under fluctuating flow rates and varying inlet conditions. These valves are suitable for a wide range of media, including steam, liquids, and gases.

Mark 601/602 Series ⟶

Self-Operated, High Flows

Mark 67/69 Series ⟶

Pilot-Operated, High Flow

Mark 687 Series ⟶

Piloted Pressure Reducing Regulator for
Critical Low Pressure, High Flow Applications
1-1/2" - 2" (DN40 - DN50); Balanced Plug

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Our high flow high pressure reducing valves use sliding gate seat technology that ensures precise pressure control and reduces droop, a common issue in traditional high flow regulators. They are an excellent choice for demanding industrial applications that require reliability and performance.

We offer both self-operated and pilot-operated high-flow pressure-reducing valves, providing you with the flexibility to match the right solution to your system’s requirements.

Our high flow pressure regulators specifications:

Model	Type	Sizes	Flow Coefficient	Diaphragm Options	Setpoint	Body Materials	End Connections
Mark 601/602 Series	Self-Operated	1-1/2″ – 2″ (DN40 – DN50)	up to 70 (up to 60)	Jorlon, Stainless Steel, Buna-N, Viton	20 to 160 psi (1,4 to 11,0 bar)	Ductile Iron, Bronze, Carbon Steel, Stainless Steel	Threaded, ANSI Flanges (150#, 300#), DIN Flanges (PN 10/16, PN25/40)
Mark 67/69 Series	Pilot-Operated	1/2″ – 6″ (DN15 – DN150)	up to 395 (up to 340)	Stainless Steel, Monel, Hastelloy C, Alloy 20	10 to 200 psi (0,69 to 13,8 bar)	Ductile Iron, Carbon Steel, Stainless Steel, Cast Iron	Threaded, Flanged, Socket Weld, Butt Weld
Mark 687 Series	Pilot-Operated	1-1/2″ – 2″ (DN40 – DN50)	1-1/2″ 40 (34); 2″: 50 (43)	–	–	Carbon Steel & Stainless Steel	Threaded & Flanged (ANSI 150#, 300# and DIN PN10/16, PN25/40)

We offer a wide range of high flow pressure regulators in various pressure ranges, materials, and configurations. If you have technical, practical, or design requirements, our engineers are ready to provide a custom solution tailored to your needs.

In addition to high flow pressure regulators, Jordan Valve offers a wide range of pressure reducing regulators, including:

Self-operated
Differential
Vacuum
Air loaded / Pneumatic
Pilot operated